420 Foster Rd is a 1,199 square foot house on a 6,754 square foot lot with 4 bedrooms. - it last sold on February 18, 2009 for $325,000. Based on Redfin's Napa data, we estimate the home's value is $635,152.
Single-familyProperty Type
1955Year Built
6,754 sq ftLot Size
$530Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$635,152
$310K since sold in February 2009$15K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.4% lower than the average sale price ($709K) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10518989
Dec 1, 1998
Sold
$179,500
$150/sq ft
Nov 1, 1998
Listing Removed
—
Sep 4, 1998
Listed
$179,500
$150/sq ft
HOME HAS BEEN UPDATED. NEW KITCHEN CABINETS TILE & APPLIANCES. NEW W/W CARPET. NEW BATH UPSTAIRS. NEW PAINT. FIREPLACE WITH INSERT.
bridgeMLS, Bay East AOR, or Contra Costa AOR #28518989
Oct 30, 1998
Sold
$179,500
$150/sq ft
Sep 28, 1998
Listing Removed
—
Sep 4, 1998
Listed
$179,500
$150/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,437 (+3.2%)
$225,353 + $193,157
$418,510
2024
$5,270 (+1.6%)
$225,353 + $193,157
$418,510
2023
$5,187 (+1.3%)
$220,935 + $189,370
$410,305
2022
$5,119 (+1.4%)
$216,603 + $185,657
$402,260
2021
$5,051 (+0.7%)
$212,356 + $182,017
$394,373
2020
$5,014 (+2.2%)
$208,193 + $178,449
$386,642
2019
$4,905 (+1.6%)
$206,059 + $176,620
$382,679
2018
$4,829 (+2.3%)
$202,019 + $173,157
$375,176
2017
$4,723 (+2.6%)
$194,175 + $166,434
$360,609
2016
$4,605 (+7.1%)
$194,175 + $166,434
$360,609
2015
$4,298 (+2.6%)
$190,368 + $163,171
$353,539
2014
$4,188 (+23.9%)
$181,440 + $156,240
$337,680
2012
$3,379 (−16.3%)
$151,200 + $130,200
$281,400
2011
$4,035 (+2.4%)
$144,000 + $124,000
$268,000
2010
$3,940 (+0.3%)
$175,900 + $150,771
$326,671
2009
$3,928 (−20.3%)
$174,586 + $149,645
$324,231
2008
$4,929
$163,000 + $155,000
$318,000
Tax history for 420 Foster Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,437 (+3.2%)
$225,353 + $193,157
$418,510
2024
$5,270 (+1.6%)
$225,353 + $193,157
$418,510
2023
$5,187 (+1.3%)
$220,935 + $189,370
$410,305
2022
$5,119 (+1.4%)
$216,603 + $185,657
$402,260
2021
$5,051 (+0.7%)
$212,356 + $182,017
$394,373
2020
$5,014 (+2.2%)
$208,193 + $178,449
$386,642
2019
$4,905 (+1.6%)
$206,059 + $176,620
$382,679
2018
$4,829 (+2.3%)
$202,019 + $173,157
$375,176
2017
$4,723 (+2.6%)
$194,175 + $166,434
$360,609
2016
$4,605 (+7.1%)
$194,175 + $166,434
$360,609
2015
$4,298 (+2.6%)
$190,368 + $163,171
$353,539
2014
$4,188 (+23.9%)
$181,440 + $156,240
$337,680
2012
$3,379 (−16.3%)
$151,200 + $130,200
$281,400
2011
$4,035 (+2.4%)
$144,000 + $124,000
$268,000
2010
$3,940 (+0.3%)
$175,900 + $150,771
$326,671
2009
$3,928 (−20.3%)
$174,586 + $149,645
$324,231
2008
$4,929
$163,000 + $155,000
$318,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
RS 5
Single-Family Residential District
This district implements the single-family residential category of the General Plan and applies to areas intended to develop into a single-family detached unit pattern. RS areas typically include custom home subdivisions on hillsides or constrained sites, and post war tract subdivisions, which usually have uniform platting patterns, setbacks and building types. This district provides opportunities for low density detached single-family homes, accessory dwelling units, clustered and planned developments, mobile homes, manufactured housing and compatible uses such as day care and smaller residential care facilities. Bed and breakfast inns, and public and quasi-public uses may also be allowed in appropriate locations at the discretion of the city.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Housing-Student
Educational/school
Nov 17, 2026 • Active
Electrical
Perform a main panel upgrade for the electrical service.
Electrical
Nov 4, 2026 • Active
Solar panel residential
Install a residential solar photovoltaic system with modules and an energy storage system.
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Cape Cod
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Flat
Property Information
Subdivision Name: COVENTRY MANOR
Living Sq. Ft: 1,199
Building Sq. Ft: 1,199
# of Stories: 2
Legal Description: LOT 70 COVENTRY MANOR SUB 6R/M7
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 360
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,754
Legal Lot Number: 70
Acres: 0.1551
Zoning Code: RS 5
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: —
Sq. Ft.: 1,199
Stories: 2.0
Lot Size: 6,754 square feet
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1955
County: Napa County
APN: 4361002000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Snow Elementary School
Public K-5 • Assigned • 0.5mi
2/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
4/10 Fire Factor
0.93% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 95° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Napa, CA • 94558
Average low and high temperatures (°F)
59
39
60
41
68
44
67
45
77
51
84
54
85
55
91
59
85
57
76
51
61
44
56
41
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.6 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.6 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$604,000 – $731,000
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